Research · Updated 2026-10-16

DDR5 vs LPDDR5X in Gaming Laptops (2026)

Memory type is the hidden spec that determines your upgrade path: DDR5 means slots and future expansion; LPDDR5X means speed and efficiency but no upgrades ever. In 2026, thin laptops increasingly choose soldered — here is what that means for you.

The UK guide to laptop memory types.

DDR5 vs LPDDR5X in Gaming Laptops (2026)

Illustrative stock photo (Pexels / Unsplash)

DDR5 vs LPDDR5X: the fundamentals

DDR5 SODIMM: the traditional laptop memory — socketed modules in slots, user-upgradeable, speeds of 4800–5600 MT/s in 2026 gaming laptops. Found in full-size machines: Legion Pro, Strix G16, Raider, Vector. The advantage is freedom: buy 16GB now, add 32GB later for a fraction of the manufacturer's price.

LPDDR5X: low-power DDR5, soldered directly to the motherboard, speeds of 6400–9600 MT/s, lower voltage, no slots, no upgrades. Found in thin machines: Zephyrus G14/G16, Blade 14/16. The advantage is performance-per-watt: faster and more efficient, enabling thin designs and long battery life.

Performance and efficiency: what changes

Gaming performance: with a discrete GPU, the difference is minimal — typically under 5% in most titles. LPDDR5X's bandwidth advantage matters most for integrated graphics (irrelevant when the dGPU is active) and specific CPU-bound scenarios. Do not choose a laptop for its memory type based on gaming benchmarks.

Where LPDDR5X wins: battery life (10–20% better in light use — significant for portable machines), thinness (soldered memory enables thinner chassis), and out-of-box speed (higher bandwidth from day one, no upgrade needed).

Upgradeability: the decisive factor

Where DDR5 wins: upgradeability — the decisive factor. A DDR5 laptop bought with 16GB can become a 32GB or 64GB machine for £40–£80 later. An LPDDR5X laptop bought with 16GB is a 16GB machine forever. Over a 4-year ownership, this is the most financially significant memory decision.

The 2026 trend: thin laptops are moving to soldered LPDDR5X almost universally (efficiency demands it), while full-size laptops retain SODIMM slots. The market is segmenting: portable = fixed memory, buy big upfront; desktop-replacement = upgradeable, buy base and expand.

The buying strategy

Buying strategy: for upgradeable DDR5 machines (Legion Pro, Strix G16, Raider), buy the minimum RAM configuration and upgrade yourself — the saving versus manufacturer pricing is substantial. For soldered LPDDR5X machines (Zephyrus, Blade), buy the maximum RAM you might need in 4 years — 32GB is the safe choice for most buyers in 2026.

The 16GB trap: a 16GB soldered laptop in 2026 is a 16GB laptop in 2030. If the price difference to 32GB is modest (£100–£150), take it — future-you will be grateful.

The bandwidth story: MT/s explained

MT/s explained: the transfer rate (the MT/s — the million transfers — the bandwidth); the DDR5 (the 4800–6400 — the range); the LPDDR5X (the 6400–8533 — the faster); and the reality (the bandwidth — the 50–70GB/s — the sufficient).

The speed truth: the MT/s (the higher — the better — the diminishing); the gaming (the GPU-bound — the RAM speed — the negligible); and the iGPU (the exception — the bandwidth-starved — the speed matters). The numbers (the specs — the compared — the understood); the impact (the use — the measured — the honest). The bandwidth (the enough — the 2026). The MT/s informs — the use decides.

Soldered versus socketed: the 2026 landscape

Soldered versus socketed 2026: the DDR5 SODIMM (the socketed — the upgradeable — the Legion); the LPDDR5X (the soldered — the fixed — the thin); the CAMM2 (the new — the thin upgradeable — the future); and the LPCAMM2 (the LPDDR5X upgradeable — the premium — the emerging).

The landscape: the upgradeable (the DDR5 — the SODIMM — the present); the fixed (the LPDDR5X — the soldered — the thin); and the future (the CAMM2 — the promise — the 2027). The buyer (the upgrader — the DDR5; the thin — the LPDDR5X); the trade (the clear — the chosen). The 2026 (the transition — the CAMM2 coming). The socket matters — the future is the CAMM2.

Gaming impact: does RAM type matter for fps?

RAM type and fps: the honest — the dGPU gaming (the negligible — the 1–3% — the GPU-bound); the CPU-bound (the slight — the 5% — the esports); and the iGPU (the significant — the bandwidth — the 15%+).

The fps truth: the gaming laptop (the dGPU — the RAM type — the irrelevant); the thin (the iGPU modes — the RAM speed — the relevant); and the buyer (the gamer — the indifferent — the wise). The benchmarks (the measured — the confirmed — the honest); the marketing (the MT/s — the overplayed). The fps (the GPU's — the RAM's little). The type matters — the rarely.

The CAMM2 watch: the 2026 transition

The RAM buyer's 2026 choice is the CAMM2 watch: the standard (the coming — the thin — the upgradeable); the laptops (the few — the 2026 — the early); and the future (the 2027 — the mainstream — the awaited). The LPDDR5X buyer in 2026 buys the soldered — the CAMM2 is the horizon. The upgradeable LPDDR5X is the coming — the wait is the informed.

The CAMM2 method: the now (the DDR5 — the SODIMM — the upgradeable); the later (the CAMM2 — the awaited — the noted); and the buy (the needs — the matched — the present). The 2026 RAM market is the transition — the SODIMM persists, the CAMM2 approaches. The buyer buys for the now; the future is the noted.

The 32GB answer: the 2026 capacity

The RAM buyer's capacity is the 32GB: the 2026 (the sweet — the multitasking — the enough); the 16GB (the minimum — the gaming — the adequate); and the 64GB (the few — the VMs — the justified). The 32GB is the 2026's answer — the Chrome, the Discord, the game, the OBS — the all open. The buyer gets the 32GB — the £50 that multitasks.

The capacity method: the 16GB (the soldered — the accepted — the thin); the 32GB (the chosen — the upgrade — the prioritised); and the future (the enough — the 5 years — the confident). The RAM capacity is the multitasking — the 32GB is the smooth. The £50 is the cheapest smoothness.

The 48GB growth: the RAM horizon

The RAM buyer's 2028 is the 48GB: the growth (the browsers — the hungry — the 2028); the 32GB (the 2026 — the enough — the now); and the watch (the prices — the falling — the upgraded). The 2028's 48GB is the 2026's 32GB — the growth, the expected. The 2026 buyer gets the 32GB — the 2028 upgrades the 48GB. The RAM grows; the slots allow.

The growth method: the now (the 32GB — the bought — the enough); the later (the 48GB — the watched — the upgraded); and the slots (the checked — the 2× — the upgradeable). The RAM growth is the planned — the 2026's 32GB, the 2028's 48GB. The upgradeable buys the growth.

Verifying before you buy

Memory checklist: verify the memory type on the exact SKU (listings sometimes omit it — "soldered" or "onboard" means LPDDR5X/fixed), check the speed (5600 MT/s DDR5 or 6400+ LPDDR5X are 2026 standards), and confirm upgradeability before assuming it.

Check the live price of the RAM configurations — manufacturers charge premiums for soldered upgrades that reflect the permanence. Buy once, buy right.

Frequently Asked Questions

What is the difference between DDR5 and LPDDR5X?

DDR5 (SODIMM) is socketed and upgradeable — found in full-size gaming laptops. LPDDR5X is soldered — faster, more efficient, but fixed forever. DDR5 = upgradeable; LPDDR5X = faster but permanent. Choose based on whether you will upgrade.

Does LPDDR5X improve gaming performance?

For gaming, the difference is small — 5% or less in most titles. LPDDR5X's higher bandwidth helps integrated graphics and some CPU-bound scenarios, but with a discrete GPU, DDR5 versus LPDDR5X is not a deciding factor.

Is LPDDR5X more power-efficient?

Yes — LPDDR5X runs at lower voltage, which is why thin gaming laptops (Zephyrus, Blade) achieve their excellent battery life. The efficiency gain is real: 10–20% better light-use battery life versus DDR5.

Should I upgrade the RAM myself?

If the laptop has DDR5 SODIMM slots, buy the base 16GB and upgrade to 32GB yourself — it is cheaper than the manufacturer's upgrade pricing and takes 10 minutes. If it has soldered LPDDR5X, buy the RAM you will need in 4 years upfront.